Speedo Adult Nylon Lycra Long Hair Swimming Swim Bathing Head Cap Black/hot Pink Elastic Band At Base For Secure Comfortable Fit. Lightweight; Quick-dry Design. Excellent Recreational Or Fitness Swimming Cap. Fabric: 82% Nylon/18  Spandex Blend. It Has An Elastic Band At The Base That Ensures A Secure Fit During It Is Made of The Same High Quality Fast-drying Lycra Used In Racing Suits